'My kneecap was halfway up my thigh': How Sam came back from the brink
By Simon Smale••ABC News (AU)
A career-threatening knee injury denied swimmer Sam Williamson the chance to defend his world title. Now he's back and looking to replicate the form that took him to the top of the world, by earning a place at the Commonwealth Games.
Sam Williamson apologises as he ducks away for brief moment. His six-month-old golden retriever puppy, Alfred, is doing what golden retriever puppies tend to do going absolutely berserk at a momenta…